Zone Forecast Product
Issued by NWS Brownsville, TX
Issued by NWS Brownsville, TX
562 FPUS54 KBRO 201828 ZFPBRO Zone Forecast Product for Texas National Weather Service Brownsville TX 127 PM CDT Sun Sep 20 2026 TXZ253-210200- Southern Hidalgo- Including the cities of McAllen, Edinburg, Pharr, Mission, and Weslaco 127 PM CDT Sun Sep 20 2026 .THIS AFTERNOON...Mostly sunny. Hot. Near steady temperature in the upper 90s. East winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 107. .TONIGHT...Partly cloudy. Humid with lows in the upper 70s. East winds 10 to 15 mph with gusts up to 20 mph, becoming southeast around 5 mph after midnight. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs around 100. Southeast winds around 5 mph, increasing to east 10 to 15 mph with gusts up to 20 mph in the afternoon. Heat index values up to 110. .MONDAY NIGHT...Clear with lows in the upper 70s. East winds 10 to 15 mph with gusts up to 25 mph, diminishing to around 5 mph after midnight. .TUESDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. East winds around 5 mph, increasing to 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of rain 50 percent. Heat index values up to 106. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. .WEDNESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. .THURSDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s. .FRIDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 105. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 70s. .SATURDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 90s. Chance of rain 30 percent. Heat index values up to 105. $$ TXZ255-210200- Inland Cameron- Including the cities of Brownsville and Harlingen 127 PM CDT Sun Sep 20 2026 .THIS AFTERNOON...Mostly sunny. Near steady temperature in the mid 90s. East winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 108. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. East winds 10 to 15 mph with gusts up to 20 mph, becoming southeast around 5 mph after midnight. Heat index values up to 105 early in the evening. .MONDAY...Sunny with highs in the upper 90s. East winds around 5 mph, increasing to 10 to 15 mph with gusts up to 20 mph in the afternoon. Heat index values up to 109. .MONDAY NIGHT...Clear with lows in the upper 70s. East winds 10 to 15 mph with gusts up to 20 mph, diminishing to around 5 mph after midnight. .TUESDAY...Sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the mid 90s. East winds around 5 mph, increasing to 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of rain 50 percent. Heat index values up to 107. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. .WEDNESDAY...Sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. .THURSDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Mostly sunny with a chance of showers. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 70s. .SATURDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 105. $$ TXZ355-210200- Coastal Cameron- Including the cities of Port Isabel and Laguna Vista 127 PM CDT Sun Sep 20 2026 .THIS AFTERNOON...Sunny. Near steady temperature in the lower 90s. East winds 10 to 15 mph. Heat index values up to 110. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows around 80. East winds 10 to 15 mph, becoming southeast around 5 mph after midnight. .MONDAY...Sunny with highs in the mid 90s. Southeast winds around 5 mph, increasing to east 10 to 15 mph with gusts up to 20 mph in the afternoon. Heat index values up to 111. .MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. East winds 10 to 15 mph with gusts up to 20 mph, becoming southeast around 5 mph after midnight. .TUESDAY...A chance of showers in the morning. Sunny with highs in the mid 90s. East winds 10 to 15 mph. Chance of rain 30 percent. Heat index values up to 108. .TUESDAY NIGHT...Mostly clear. Lows around 80. .WEDNESDAY...Sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 80. .THURSDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110. .THURSDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows around 80. Chance of rain 40 percent. Heat index values up to 105 early in the evening. .FRIDAY...Mostly sunny with a chance of showers. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 110. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 70s. .SATURDAY...Mostly sunny with a 30 percent chance of showers. Highs in the lower 90s. Heat index values up to 110. $$ TXZ455-210200- Cameron Island- Including the cities of South Padre Island and Boca Chica Beach 127 PM CDT Sun Sep 20 2026 .THIS AFTERNOON...Sunny. Near steady temperature in the mid 80s. East winds 5 to 10 mph. .TONIGHT...Partly cloudy. Humid with lows in the lower 80s. Southeast winds 5 to 10 mph. .MONDAY...Sunny with highs in the upper 80s. Southeast winds around 5 mph, increasing to east 10 to 15 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Humid with lows in the lower 80s. East winds 10 to 15 mph. .TUESDAY...Sunny. A chance of showers in the morning. Humid with highs in the upper 80s. East winds 10 to 15 mph. Chance of rain 30 percent. .TUESDAY NIGHT...Mostly clear. Near steady temperature in the mid 80s. .WEDNESDAY...Sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Near steady temperature in the mid 80s. .THURSDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy. A chance of showers after midnight. Near steady temperature in the mid 80s. Chance of rain 40 percent. .FRIDAY...Mostly sunny with a chance of showers. Highs in the upper 80s. Chance of rain 40 percent. .FRIDAY NIGHT...Partly cloudy. Near steady temperature in the mid 80s. .SATURDAY...Mostly sunny with a 30 percent chance of showers. Near steady temperature in the mid 80s. $$ TXZ252-210200- Starr- Including the cities of Rio Grande City and Roma 127 PM CDT Sun Sep 20 2026 .THIS AFTERNOON...Mostly sunny. Hot with highs around 101. East winds around 5 mph. .TONIGHT...Partly cloudy. Lows in the upper 70s. Southeast winds 5 to 10 mph. Gusts up to 20 mph in the evening. .MONDAY...Sunny, hot with highs around 102. East winds 5 to 10 mph. Heat index values up to 109. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. East winds 5 to 10 mph. Gusts up to 20 mph in the evening. .TUESDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. East winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 50 percent. Heat index values up to 106. .TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. .WEDNESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 50 percent. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s. .THURSDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 50 percent. Heat index values up to 105. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. .FRIDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 90s. Chance of rain 40 percent. Heat index values up to 105. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 70s. .SATURDAY...Mostly sunny. Highs in the upper 90s. $$ TXZ254-210200- Inland Willacy- Including the city of Raymondville 127 PM CDT Sun Sep 20 2026 .THIS AFTERNOON...Mostly sunny. Near steady temperature in the mid 90s. East winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 109. .TONIGHT...Partly cloudy. Humid with lows in the upper 70s. East winds 10 to 15 mph with gusts up to 20 mph, becoming southeast around 5 mph after midnight. Heat index values up to 105 early in the evening. .MONDAY...Sunny with highs in the upper 90s. Southeast winds around 5 mph, increasing to east 10 to 15 mph with gusts up to 20 mph in the afternoon. Heat index values up to 110. .MONDAY NIGHT...Clear with lows in the mid 70s. East winds 10 to 15 mph with gusts up to 20 mph, becoming southeast around 5 mph after midnight. .TUESDAY...Sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the upper 90s. East winds around 5 mph, increasing to 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of rain 50 percent. Heat index values up to 107. .TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. .WEDNESDAY...Sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. .THURSDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the mid 90s. Chance of rain 40 percent. Heat index values up to 110. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 70s. .SATURDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 110. $$ TXZ354-210200- Coastal Willacy- Including the city of Port Mansfield 127 PM CDT Sun Sep 20 2026 .THIS AFTERNOON...Sunny. Near steady temperature in the lower 90s. East winds 10 to 15 mph. Heat index values up to 111. .TONIGHT...Partly cloudy. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph, diminishing to around 5 mph after midnight. Heat index values up to 105 early in the evening. .MONDAY...Sunny with highs in the mid 90s. Southeast winds around 5 mph, increasing to east 10 to 15 mph with gusts up to 20 mph in the afternoon. Heat index values up to 111. .MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. East winds 10 to 15 mph with gusts up to 20 mph, becoming southeast around 5 mph after midnight. .TUESDAY...Sunny with a chance of showers. Humid with highs in the mid 90s. East winds around 5 mph, increasing to 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of rain 40 percent. Heat index values up to 108. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. .WEDNESDAY...Showers likely in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 60 percent. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. .THURSDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110. .THURSDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows in the upper 70s. Chance of rain 40 percent. Heat index values up to 105 early in the evening. .FRIDAY...Mostly sunny with a chance of showers. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 110. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 70s. .SATURDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 110. $$ TXZ248-210200- Zapata- Including the city of Zapata 127 PM CDT Sun Sep 20 2026 .THIS AFTERNOON...Mostly sunny. Hot with highs around 102. East winds around 5 mph. .TONIGHT...Partly cloudy. Lows in the upper 70s. Southeast winds 5 to 10 mph. Gusts up to 20 mph in the evening. .MONDAY...Sunny, hot with highs around 103. Southeast winds around 5 mph. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. East winds 10 to 15 mph. .TUESDAY...Sunny, hot with highs around 101. East winds 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. .WEDNESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 70s. .THURSDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 90s. Chance of rain 40 percent. Heat index values up to 105. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 70s. .FRIDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 90s. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 70s. .SATURDAY...Mostly sunny. Hot with highs around 100. $$ TXZ249-210200- Jim Hogg- Including the city of Hebbronville 127 PM CDT Sun Sep 20 2026 .THIS AFTERNOON...Mostly sunny. Hot with highs around 100. East winds around 5 mph. .TONIGHT...Partly cloudy. Lows in the mid 70s. Southeast winds 5 to 10 mph. Gusts up to 20 mph in the evening. .MONDAY...Mostly sunny. Hot with highs around 101. Southeast winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. East winds 10 to 15 mph with gusts up to 20 mph, becoming southeast around 5 mph after midnight. .TUESDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. East winds around 5 mph, increasing to 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of rain 40 percent. .TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. .WEDNESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 40 percent. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s. .THURSDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 40 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 70s. .FRIDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 90s. Chance of rain 40 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 70s. .SATURDAY...Mostly sunny. Highs in the upper 90s. $$ TXZ250-210200- Brooks- Including the city of Falfurrias 127 PM CDT Sun Sep 20 2026 .THIS AFTERNOON...Mostly sunny. Hot. Near steady temperature in the upper 90s. East winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 106. .TONIGHT...Partly cloudy. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph. Gusts up to 20 mph in the evening. .MONDAY...Sunny, hot with highs around 101. Southeast winds around 5 mph, increasing to east 10 to 15 mph with gusts up to 20 mph in the afternoon. Heat index values up to 106. .MONDAY NIGHT...Clear with lows in the mid 70s. East winds 10 to 15 mph with gusts up to 20 mph in the evening, becoming light and variable. .TUESDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Northeast winds around 5 mph, increasing to east 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of rain 40 percent. .TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. .WEDNESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 40 percent. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s. .THURSDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 40 percent. Heat index values up to 105. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. .FRIDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 90s. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 70s. .SATURDAY...Mostly sunny. Highs in the upper 90s. $$ TXZ353-210200- Northern Hidalgo- Including the city of San Manuel 127 PM CDT Sun Sep 20 2026 .THIS AFTERNOON...Mostly sunny. Hot. Near steady temperature in the upper 90s. East winds 5 to 10 mph. .TONIGHT...Partly cloudy. Humid with lows in the mid 70s. East winds 5 to 10 mph with gusts up to 20 mph in the evening, becoming light and variable. .MONDAY...Sunny, hot with highs around 101. Southeast winds around 5 mph, increasing to east 10 to 15 mph with gusts up to 20 mph in the afternoon. Heat index values up to 106. .MONDAY NIGHT...Clear. Lows in the mid 70s. East winds 10 to 15 mph with gusts up to 25 mph in the evening, becoming light and variable. .TUESDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. East winds around 5 mph, increasing to 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of rain 50 percent. .TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. .WEDNESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 50 percent. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s. .THURSDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 40 percent. Heat index values up to 105. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. .FRIDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 90s. Chance of rain 40 percent. Heat index values up to 105. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 70s. .SATURDAY...Mostly sunny. Highs in the upper 90s. $$ TXZ251-210200- Inland Kenedy- Including the city of Sarita 127 PM CDT Sun Sep 20 2026 .THIS AFTERNOON...Mostly sunny. Near steady temperature in the mid 90s. East winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 109. .TONIGHT...Partly cloudy. Humid with lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph, diminishing to around 5 mph after midnight. .MONDAY...Sunny with highs in the upper 90s. Southeast winds around 5 mph, increasing to east 10 to 15 mph with gusts up to 20 mph in the afternoon. Heat index values up to 109. .MONDAY NIGHT...Clear with lows in the mid 70s. East winds 10 to 15 mph with gusts up to 20 mph in the evening, becoming light and variable. .TUESDAY...Sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the upper 90s. Northeast winds around 5 mph, increasing to east 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of rain 40 percent. Heat index values up to 106. .TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. .WEDNESDAY...Sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 50 percent. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. .THURSDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 50 percent. Heat index values up to 110. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 70s. Heat index values up to 105 early in the evening. .FRIDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 110. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 70s. .SATURDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 90s. Chance of rain 30 percent. Heat index values up to 105. $$ TXZ351-210200- Coastal Kenedy- 127 PM CDT Sun Sep 20 2026 .THIS AFTERNOON...Sunny. Near steady temperature in the lower 90s. East winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 109. .TONIGHT...Partly cloudy. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph, diminishing to around 5 mph after midnight. .MONDAY...Sunny with highs in the mid 90s. Southeast winds around 5 mph, increasing to east 10 to 15 mph with gusts up to 20 mph in the afternoon. Heat index values up to 109. .MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. East winds 10 to 15 mph with gusts up to 20 mph, becoming southeast around 5 mph after midnight. .TUESDAY...A chance of showers in the morning. Sunny with highs in the mid 90s. East winds around 5 mph, increasing to 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of rain 40 percent. Heat index values up to 107. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. .WEDNESDAY...Sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. .THURSDAY...A chance of showers in the morning. Mostly sunny. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 110. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 70s. .FRIDAY...Mostly sunny. A chance of showers in the morning. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 110. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 70s. .SATURDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 105. $$ TXZ454-210200- Willacy Island- 127 PM CDT Sun Sep 20 2026 .THIS AFTERNOON...Sunny. Near steady temperature in the lower 90s. East winds 5 to 10 mph. Heat index values up to 110. .TONIGHT...Partly cloudy. Humid with lows in the lower 80s. Southeast winds 10 to 15 mph. Heat index values up to 108 early. .MONDAY...Sunny with highs in the mid 90s. Southeast winds around 5 mph, becoming east 10 to 15 mph in the afternoon. Heat index values up to 111. .MONDAY NIGHT...Mostly clear. Humid with lows in the lower 80s. East winds 10 to 15 mph. Heat index values up to 107 early. .TUESDAY...A chance of showers in the morning. Sunny with highs in the mid 90s. East winds 10 to 15 mph. Chance of rain 40 percent. Heat index values up to 109. .TUESDAY NIGHT...Mostly clear. Lows in the lower 80s. .WEDNESDAY...Showers likely in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 60 percent. Heat index values up to 110. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 80s. Heat index values up to 105 early. .THURSDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 110. .THURSDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows in the lower 80s. Chance of rain 40 percent. Heat index values up to 105 early. .FRIDAY...Mostly sunny with a chance of showers. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 110. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 80s. Heat index values up to 105 early. .SATURDAY...Mostly sunny. A chance of showers in the morning. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 105. $$ TXZ451-210200- Kenedy Island- 127 PM CDT Sun Sep 20 2026 .THIS AFTERNOON...Sunny. Near steady temperature around 90. East winds 5 to 10 mph. Heat index values up to 109. .TONIGHT...Partly cloudy. Humid with lows in the lower 80s. Southeast winds 10 to 15 mph. Heat index values up to 106 early. .MONDAY...Sunny with highs in the lower 90s. Southeast winds around 5 mph, becoming east 10 to 15 mph in the afternoon. Heat index values up to 109. .MONDAY NIGHT...Mostly clear. Humid with lows in the lower 80s. East winds 10 to 15 mph. Heat index values up to 105 early. .TUESDAY...A chance of showers in the morning. Sunny with highs in the lower 90s. East winds around 5 mph, increasing to 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of rain 40 percent. Heat index values up to 108. .TUESDAY NIGHT...Mostly clear. Lows in the lower 80s. .WEDNESDAY...Sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 80s. Heat index values up to 105 early. .THURSDAY...A chance of showers in the morning. Mostly sunny. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 110. .THURSDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows in the lower 80s. Chance of rain 30 percent. Heat index values up to 105 early. .FRIDAY...Mostly sunny. A chance of showers in the morning. Highs in the upper 80s. Chance of rain 30 percent. Heat index values up to 105. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 80s. .SATURDAY...Mostly sunny. Highs in the upper 80s. Heat index values up to 105. $$